$ git clone -n https://gitee.com/opencloudos-stream/rust-cty.git /var/lib/mock/dist-oc9-epol-build-186421-80294/root/chroot_tmpdir/scmroot/rust-cty
Cloning into '/var/lib/mock/dist-oc9-epol-build-186421-80294/root/chroot_tmpdir/scmroot/rust-cty'...
$ git fetch origin master:KOJI_FETCH_HEAD
From https://gitee.com/opencloudos-stream/rust-cty
 * [new branch]      master     -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2d6f31 !2 fix loongarch build err Merge pull request !2 from liujie/master